273 lines
8.3 KiB
Bash
Executable File
273 lines
8.3 KiB
Bash
Executable File
#!/bin/sh
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# SPDX-License-Identifier: GPL-3.0-only
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#
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# This file is part of the distrobox project:
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# https://github.com/89luca89/distrobox
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#
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# Copyright (C) 2021 distrobox contributors
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#
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# distrobox is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License version 3
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# as published by the Free Software Foundation.
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#
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# distrobox is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with distrobox; if not, see <http://www.gnu.org/licenses/>.
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# Despite of running this script via SUDO/DOAS being not supported (the
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# script itself will call the appropriate tool when necessary), we still want
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# to allow people to run it as root, logged in in a shell, and create rootful
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# containers.
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#
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# SUDO_USER is a variable set by SUDO and can be used to check whether the script was called by it. Same thing for DOAS_USER, set by DOAS.
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if {
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[ -n "${SUDO_USER}" ] || [ -n "${DOAS_USER}" ]
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} && [ "$(id -ru)" -eq 0 ]; then
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printf >&2 "Running %s via SUDO/DOAS is not supported. Instead, please try running:\n" "$(basename "${0}")"
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printf >&2 " %s --root %s\n" "$(basename "${0}")" "$*"
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exit 1
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fi
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# Ensure we have our env variables correctly set
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[ -z "${USER}" ] && USER="$(id -run)"
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[ -z "${HOME}" ] && HOME="$(getent passwd "${USER}" | cut -d':' -f6)"
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[ -z "${SHELL}" ] && SHELL="$(getent passwd "${USER}" | cut -d':' -f7)"
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all=0
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running=0
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container_manager="autodetect"
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distrobox_flags=""
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distrobox_path="$(dirname "$(realpath "${0}")")"
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rootful=0
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verbose=0
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version="1.8.2.2"
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# Source configuration files, this is done in an hierarchy so local files have
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# priority over system defaults
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# leave priority to environment variables.
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#
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# On NixOS, for the distrobox derivation to pick up a static config file shipped
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# by the package maintainer the path must be relative to the script itself.
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self_dir="$(dirname "$(realpath "$0")")"
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nix_config_file="${self_dir}/../share/distrobox/distrobox.conf"
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config_files="
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${nix_config_file}
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/usr/share/distrobox/distrobox.conf
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/usr/share/defaults/distrobox/distrobox.conf
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/usr/etc/distrobox/distrobox.conf
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/usr/local/share/distrobox/distrobox.conf
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/etc/distrobox/distrobox.conf
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${XDG_CONFIG_HOME:-"${HOME}/.config"}/distrobox/distrobox.conf
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${HOME}/.distroboxrc
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"
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for config_file in ${config_files}; do
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# Shellcheck will give error for sourcing a variable file as it cannot follow
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# it. We don't care so let's disable this linting for now.
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# shellcheck disable=SC1090
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[ -e "${config_file}" ] && . "$(realpath "${config_file}")"
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done
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[ -n "${DBX_CONTAINER_MANAGER}" ] && container_manager="${DBX_CONTAINER_MANAGER}"
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[ -n "${DBX_VERBOSE}" ] && verbose="${DBX_VERBOSE}"
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# Fixup variable=[true|false], in case we find it in the config file(s)
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[ "${verbose}" = "true" ] && verbose=1
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[ "${verbose}" = "false" ] && verbose=0
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# If we're running this script as root - as in logged in in the shell as root
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# user, and not via SUDO/DOAS -, we don't need to set distrobox_sudo_program
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# as it's meaningless for this use case.
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if [ "$(id -ru)" -ne 0 ]; then
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# If the DBX_SUDO_PROGRAM/distrobox_sudo_program variable was set by the
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# user, use its value instead of "sudo". But only if not running the script
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# as root (UID 0).
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distrobox_sudo_program=${DBX_SUDO_PROGRAM:-${distrobox_sudo_program:-"sudo"}}
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fi
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# Declare it AFTER config sourcing because we do not want a default name set.
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container_name=""
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# show_help will print usage to stdout.
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# Arguments:
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# None
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# Expected global variables:
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# version: distrobox version
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# Expected env variables:
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# None
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# Outputs:
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# print usage with examples.
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show_help()
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{
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cat << EOF
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distrobox version: ${version}
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Usage:
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distrobox-upgrade container-name
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distrobox-upgrade --all
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Options:
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--help/-h: show this message
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--all/-a: perform for all distroboxes
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--running: perform only for running distroboxes
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--root/-r: launch podman/docker/lilipod with root privileges. Note that if you need root this is the preferred
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way over "sudo distrobox" (note: if using a program other than 'sudo' for root privileges is necessary,
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specify it through the DBX_SUDO_PROGRAM env variable, or 'distrobox_sudo_program' config variable)
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--verbose/-v: show more verbosity
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--version/-V: show version
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EOF
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}
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if [ $# -eq 0 ]; then
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show_help
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exit
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fi
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# Parse arguments
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while :; do
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case $1 in
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-h | --help)
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# Call a "show_help" function to display a synopsis, then exit.
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show_help
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exit 0
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;;
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-v | --verbose)
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verbose=1
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shift
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;;
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-V | --version)
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printf "distrobox: %s\n" "${version}"
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exit 0
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;;
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-a | --all)
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all=1
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shift
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;;
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--running)
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running=1
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shift
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;;
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-r | --root)
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shift
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rootful=1
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;;
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--) # End of all options.
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shift
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break
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;;
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-*) # Invalid options.
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printf >&2 "ERROR: Invalid flag '%s'\n\n" "$1"
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show_help
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exit 1
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;;
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*) # Default case: If no more options then break out of the loop.
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# If we have a flagless option and container_name is not specified
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# then let's accept argument as container_name
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if [ -n "$1" ]; then
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container_name="${container_name} $1"
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shift
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else
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break
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fi
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;;
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esac
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done
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set -o errexit
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set -o nounset
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# set verbosity
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if [ "${verbose}" -ne 0 ]; then
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set -o xtrace
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fi
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if [ -z "${container_name}" ] && [ "${all}" -eq 0 ] && [ "${running}" -eq 0 ]; then
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printf >&2 "Please specify the name of the container.\n"
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exit 1
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fi
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# We depend on a container manager let's be sure we have it
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# First we use podman, else docker, else lilipod
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case "${container_manager}" in
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autodetect)
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if command -v podman > /dev/null; then
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container_manager="podman"
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elif command -v podman-launcher > /dev/null; then
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container_manager="podman-launcher"
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elif command -v docker > /dev/null; then
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container_manager="docker"
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elif command -v lilipod > /dev/null; then
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container_manager="lilipod"
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fi
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;;
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podman)
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container_manager="podman"
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;;
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podman-launcher)
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container_manager="podman-launcher"
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;;
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lilipod)
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container_manager="lilipod"
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;;
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docker)
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container_manager="docker"
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;;
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*)
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printf >&2 "Invalid input %s.\n" "${container_manager}"
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printf >&2 "The available choices are: 'autodetect', 'podman', 'docker', 'lilipod'\n"
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;;
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esac
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# Be sure we have a container manager to work with.
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if ! command -v "${container_manager}" > /dev/null; then
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# Error: we need at least one between docker, podman or lilipod.
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printf >&2 "Missing dependency: we need a container manager.\n"
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printf >&2 "Please install one of podman, docker or lilipod.\n"
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printf >&2 "You can follow the documentation on:\n"
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printf >&2 "\tman distrobox-compatibility\n"
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printf >&2 "or:\n"
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printf >&2 "\thttps://github.com/89luca89/distrobox/blob/main/docs/compatibility.md\n"
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exit 127
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fi
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# add verbose if -v is specified
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if [ "${verbose}" -ne 0 ]; then
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container_manager="${container_manager} --log-level debug"
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fi
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# prepend sudo (or the specified sudo program) if we want our container manager to be rootful
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if [ "${rootful}" -ne 0 ]; then
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container_manager="${distrobox_sudo_program} ${container_manager}"
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distrobox_flags="--root"
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fi
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# If all, just set container_name to the list of names in distrobox-list
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if [ "${all}" -ne 0 ]; then
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# prepend sudo (or the specified sudo program) if we want our container manager to be rootful
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# shellcheck disable=SC2086,2248
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container_name="$("${distrobox_path}"/distrobox-list ${distrobox_flags} --no-color |
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tail -n +2 | cut -d'|' -f2 | tr -d ' ')"
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# If running, set container_name to the list of names of running instances
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if [ "${running}" -ne 0 ]; then
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# shellcheck disable=SC2086,2248
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container_name="$("${distrobox_path}"/distrobox-list ${distrobox_flags} --no-color |
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tail -n +2 | grep -iE '\| running|up' | cut -d'|' -f2 | tr -d ' ')"
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fi
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fi
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# Launch the entrypoint in upgrade mode
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for container in ${container_name}; do
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printf >&2 "\033[1;31m Upgrading %s...\n\033[0m" "${container}"
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# shellcheck disable=SC2086,SC2248
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"${distrobox_path}"/distrobox-enter \
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${distrobox_flags} ${container} -- sh -c \
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"command -v su-exec 2>/dev/null && su-exec root /usr/bin/entrypoint --upgrade || command -v doas 2>/dev/null && doas /usr/bin/entrypoint --upgrade || sudo -S /usr/bin/entrypoint --upgrade"
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done
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